/**
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you under the Apache License, Version 2.0 (the
 * "License"); you may not use this file except in compliance
 * with the License.  You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package com.google.code.motoo.filter;

import com.google.code.motoo.filter.IoFilter.NextIoFilter;


/**
 * @author linfengqi
 * @version 1.0
 * @date May 7, 2009
 */
public interface IoFilterChain {
	
	Entry getEntry(String name);

    Entry getEntry(IoFilter filter);
    
    IoFilter get(String name);
    
    IoFilter getFirst();
    
    IoFilter getLast();
    
    NextIoFilter getNextFilter(String name);

    NextIoFilter getNextFilter(IoFilter filter);
    
    boolean contains(String name);

    boolean contains(IoFilter filter);
    
    void addFirst(String name, IoFilter filter);

    void addLast(String name, IoFilter filter);

    void addBefore(String baseName, String name, IoFilter filter);

    void addAfter(String baseName, String name, IoFilter filter);
    
    IoFilter remove(String name);

    void remove(IoFilter filter);
    
    public interface Entry {
        String getName();

        IoFilter getFilter();

        NextIoFilter getNextFilter();
        
        void addBefore(String name, IoFilter filter);

        void addAfter(String name, IoFilter filter);
        
        void remove();
    }

}
